The proof of an oil performance is in the certifications it meets. It can't be certified to a spec unless tested and passes.
These little spider carts are always a good tool to really understand what level of performance an oil meets.
The Cat spec is pretty much covers it all. You know it's a...
Just getting into a a 3B and know about flat tappet oils from the 2F cam history.
Based on what I see, Mobil 1 Turbo Diesel 5w-40 is the way to go. Good start up weight to quickly build pressure and a nice zddp package. A little pricey oil but you get what you pay for here.
They had the 1 gal on...